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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2018
Accounting Policies [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
A reconciliation of the denominator used in the calculation of basic and diluted earnings (losses) per share is as follows (in thousands, except per share data):
Three Months Ended
Six Months Ended
June 30,June 30,
2018201720182017
Basic earnings (losses) per share:
Net earnings (losses)$3,620 $(282)$4,758 $(1,142)
Weighted average number of shares
outstanding – Basic
4,218 4,218 4,218 4,218 
Basic earnings (losses) per share$0.86 $(0.07)$1.13 $(0.27)
Diluted earnings (losses) per share:
Net earnings (losses)$3,620 $(282)$4,758 $(1,142)
Diluted weighted average number of
shares outstanding:
Common shares4,218 4,218 4,218 4,218 
Restricted stock unit awards (1)
— — — — 
Performance share unit awards (2)
— — — — 
Total4,218 4,218 4,218 4,218 
Diluted earnings (losses) per share$0.86 $(0.07)$1.13 $(0.27)
_______________
(1) The dilutive effect of restricted stock unit awards for the three and six months ended June 30, 2018 is de minimis.
(2) Performance share awards will be included in the calculation of diluted earnings per share when the performance conditions have been achieved.